Latest Research Scientist Jobs

Principal Engineer - AI Productivity Lab

The Principal Engineer role in the AI Productivity Lab involves leading the design and implementation of AI-driven solutions to enhance employee productivity and process automation. You will work closely with the Head of the Lab and business stakeholders to embed AI agents into team workflows, develop reusable capabilities, and mentor engineers.

Lloyds Banking Group Ec2V7Ae, EC2V 7AE, United Kingdom £84,624 – £126,936 pa

Hybrid Permanent

Generative AI Director

As a Generative AI Director, you will lead the design and delivery of production-grade LLM systems, architect scalable APIs, and drive innovation across the firm. You will work closely with ML Engineering, Product Management, and Cloud Engineering to ensure AI solutions are reliable and deliver real business impact.

JPMorgan Chase & Co. Central London, W3 0BJ, United Kingdom

On-site Permanent

Senior AI Product Design

This senior design leadership role involves building AI-powered digital products in complex, data-rich environments. Responsibilities include leading end-to-end product design, translating complex AI/ML capabilities into user-friendly interfaces, and mentoring junior designers. The role has a strong focus on ethical AI and responsible design practices.

eFinancialCareers London, United Kingdom £85,000 pa

Hybrid Permanent Clearance Required

Staff Fullstack Engineer, Avatars

This role involves building end-to-end product features for Synthesia’s Avatars and Generative Media domain, combining frontend, backend, and AI model capabilities. You will take ownership of features from idea to production, working closely with product and design to iterate and refine solutions based on user feedback.

Synthesia London, United Kingdom

Remote Permanent

Staff Software Engineer, Voices

This role involves working on the core systems that power Synthesia’s script preview and voice generation, ensuring high-quality voiceovers across multiple languages and providers. You will design and evolve backend services, handle provider reliability, and contribute to user-facing product problems, collaborating closely with frontend and R&D teams.

Synthesia London, United Kingdom £50,000 pa

Remote Permanent

Staff Backend Engineer, Avatars

This role involves working on the core systems powering avatars and generative media, ensuring scalability, reliability, and extensibility. You will collaborate with product, design, R&D, and adjacent teams to integrate model capabilities and maintain high code quality standards.

Synthesia London, United Kingdom £50,000 pa

Remote Permanent

Senior/Staff Software Engineer, Back End Leaning

This role involves working on core enterprise platform systems, focusing on backend services to ensure security, reliability, and scalability for large customers. You will collaborate with product, security, and infrastructure teams to translate business requirements into technical solutions, while owning and improving systems in production.

Synthesia London, United Kingdom

Remote Permanent

GRC Analyst

Synthesia is the world’s leading AI video platform for business, used by over 90% of the Fortune 100. Founded in 2017, the company is headquartered in London, with offices and teams across Europe and the US.As AI continues to shape...

Synthesia London, United Kingdom

Remote Permanent

Staff Backend Engineer, Agents

This role involves developing and improving the core speech and voice generation systems within Synthesia's AI video platform. The engineer will work across backend and frontend layers to build reliable, scalable features for script preview, voice orchestration, and voice quality, integrating multiple Text-to-Speech providers and building recommendation systems. The position emphasizes ownership of end-to-end feature development, rapid iteration, and close collaboration with product, design, and AI teams.

Synthesia London, United Kingdom

Remote Permanent

Frontend Engineer, Growth

This role involves owning and shipping high-impact experiments and features that directly influence activation, conversion, and revenue metrics. You will work full-stack across the Growth surface, including activation flows, onboarding, pricing mechanics, and viral loops, while building and extending the team's experimentation platform. Collaboration with product managers and data analysts is key to prioritizing high-leverage work and translating business problems into technical solutions.

Synthesia London, United Kingdom £50,000 pa

Remote Permanent

Senior Frontend Engineer, Design System

This role involves building and evolving a scalable design system used across all Synthesia products, with a focus on making it AI-consumable. You'll design robust component APIs, ensure accessibility by default, and enhance developer experience through documentation and tooling. The position uniquely bridges human and AI-driven development, ensuring consistent, on-brand UIs are generated reliably whether by engineers or AI agents.

Synthesia London, United Kingdom £120,000 pa

Remote Permanent

Regional Sales Manager, Ads Solutions EMEA

This role involves leading and scaling OpenAI’s advertising business across EMEA, overseeing a team of Client Partners and Customer Success Managers. Responsibilities include driving regional revenue growth, building strategic advertiser relationships, and shaping the future of AI-powered advertising products.

OpenAI London, United Kingdom

Hybrid Permanent

Principal/Staff Software Engineer

This role involves working on core enterprise platform systems, focusing on security, reliability, and scalability for large customers. You will contribute to new APIs, own long-term projects, and collaborate with product, security, and infrastructure teams to translate business requirements into technical solutions.

Synthesia United Kingdom

On-site Permanent

Software Engineer, Front End Leaning (Tech Lead level)

Synthesia is the world’s leading AI video platform for business, used by over 90% of the Fortune 100. Founded in 2017, the company is headquartered in London, with offices and teams across Europe and the US.As AI continues to shape...

Synthesia London, United Kingdom

Hybrid Permanent

Software Engineer (Principal level)

This role involves leading backend engineering efforts, focusing on inter-service testing, monorepo standardization, and overall stability improvements. You will work on long-term projects, evaluate the impact of your work, and collaborate across multiple teams to drive the company's engineering capabilities forward.

Synthesia London, United Kingdom

Hybrid Permanent